Hourglass 30min Timer Blue Sand Black Wooden Frame Sand Clock

Measure 5.5’’ x 3.2’’ x 3.2" Timing: 30 Minutes Black Wooden Frame and Blue Sand Ideal for Study, Meeting, Cooking, Exercising and Playing Games Notice 1. The hourglass has a timing error of about 10%, which is a normal phenomenon and is higher than the production standard of the hourglass industry. 2. It is normal for the sand to hang on the wall or get stuck, and it can be relieved by flicking the hourglass or putting it under the sun to ventilate. 3. The hourglass size is manually measured, and there will be an error of 0.1 to 0.5 inches.